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MOREDAY MDF1 IP66 AC isolator switch 1P 2P 3P 250VAC to 440VAC 63A CE certified.This isolator switch is a critical component in both commercial and industrial environments, offering a reliable solution for completely disconnecting power during maintenance or in emergency situations.

  • High visibility ON/OFF indication
  • 4pcs screws for high strength locking
  • IP66 & UV resistance
  • Conduit entries on top and bottom
  • Pad-lockable handle

Stable Delvery Time

Technical Support

2 Years


MOREDAY AC Isolator MDF1 - The Pinnacle of Durability and Efficiency

In the diverse world of AC isolation, Moreday’s AC Isolator IP66 stands out as a paragon of durability and performance. Engineered to meet the stringent demands of both indoor and outdoor applications, this product exemplifies top-tier engineering with its robust features and compliance with international standards like IEC60947.3 AC-22A, SAA, RCM, and CE certifications.

Key Features and Advantages

MOREDAY AC Isolator MDF1 High Performance Standards

AC Isolator High Performance Standards

Rated for operational currents up to 63A and operational voltages up to 440V, suitable for a wide range of industrial applications.

Superior Protection

Boasts an IP66 rating, ensuring complete protection against dust and heavy seas or powerful jets of water, making it ideal for challenging environmental conditions.

MOREDAY AC Isolator MDF1 Superior Protection
MOREDAY AC Isolator MDF1 Superior Protection

Enhanced Durability

Equipped with UV resistance and capabilities to withstand extreme temperatures, Moreday’s isolators guarantee long-lasting performance in varying climates.

Visibility and Security

Features high visibility ON/OFF indication and a pad-lockable handle, ensuring operational safety and security.

MOREDAY AC Isolator MDF1 Visibility and Security
MOREDAY AC Isolator MDF1 Ease of Installation

Ease of Installation

Designed with ample wiring space and multiple conduit entries to simplify installation processes for electricians and engineers.

Applicable Scenarios

Industrial Sites

Perfect for manufacturing facilities that require robust, weatherproof electrical solutions.

Outdoor Installations

Ideal for use in solar farms, wind turbines, and other renewable energy installations.

Commercial Buildings

Ensures reliable isolation in buildings subjected to harsh environmental conditions.

Why Choose Moreday?

Reliability and Trust

With Moreday, you’re not just purchasing a product; you’re investing in reliability and trust. Our production lines are renowned for their precision and adherence to international quality standards.

Proven Track Record

We have successfully collaborated on projects with major global entities, reflecting our capability and commitment to excellence in every product.

Customer-Centric Innovations

At Moreday, we continually innovate to meet and exceed the demanding standards of our clients, ensuring that every product not only meets but surpasses industry expectations.

For businesses seeking reliable and efficient electrical solutions, the AC Isolator 63A IP66 MDF1 IEC is an exemplary choice, blending performance with stringent safety standards. Elevate your project’s safety and efficiency, ensuring uninterrupted operations even in the most demanding conditions.







1/2/3 Pole

Rated operational current (le)


Rated operational voltage (Ue)



IEC60947.3 AC-22A

Rated frequency


Rated insulation volateg (U)


Rated impulse withstand voltage (Uimp)


Short time withstand current (1cw)


Short circuit making capacity (lcm)


Free air thermal current (1th)

Same as le

Enclosed thermal current (lthe)

Same as le

Dielectric properties


Mechanical life


Electrical life


Protection degree


UV Resistance


 Padlock max diameter


Max. cable size (Mains)


Max. cable size (N/E)


popular questions


1. What is an IP66 rating?

The IP66 rating signifies that the isolator is dust-tight and offers complete protection against heavy seas or powerful jets of water. It ensures that the isolator can withstand severe outdoor environmental conditions without any compromise in performance.

2. Can the Moreday AC Isolator IP66 be used in residential settings?

While it is primarily designed for industrial and commercial applications due to its robust specifications, it can also be used in residential settings where high-level protection against environmental factors is necessary.

3. What certifications does the Moreday AC Isolator IP66 hold?

The Moreday AC Isolator IP66 is certified with IEC60947.3 AC-22A, SAA, RCM, and CE, ensuring it meets international standards for safety and performance.

4. How do I install the Moreday AC Isolator IP66?

Installation should be performed by a qualified electrician or engineer to ensure safety and compliance with local regulations. The isolator comes with a user-friendly design featuring multiple conduit entries and ample wiring space to facilitate easy installation.

5. What types of applications are suitable for the Moreday AC Isolator IP66?

It is ideal for various applications including renewable energy setups like solar farms and wind turbines, industrial manufacturing facilities, and commercial buildings that require reliable and durable electrical isolation.

6. How does the Moreday AC Isolator IP66 handle extreme temperatures?

Our isolator is designed to withstand both high and low temperature extremes, maintaining operational integrity and performance in environments that experience significant temperature fluctuations.

7. Is there a warranty included with the Moreday AC Isolator IP66?

Yes, Moreday provides a comprehensive warranty for the AC Isolator IP66, covering defects in materials and workmanship. Please consult the warranty documentation or contact our customer service for specific terms and conditions.

8. Can the isolator be locked in the off position for safety purposes?

Yes, the isolator features a pad-lockable handle that can be secured in the off position to prevent unauthorized operation, enhancing safety during maintenance or in restricted areas.

9. Are there any special considerations for maintaining the Moreday AC Isolator IP66?

The isolator is designed for minimal maintenance. However, routine inspections are recommended to ensure optimal performance, especially in environments with high dust or moisture exposure.

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